But without using the zone area or knowing the number of heads in a zone, how does the Iro know how much long to water? I have Rainbird 5000 heads, which state 0.76-9.63 gpm here: http://www.rainbird.com/documents/turf/ts_5000Series.pdf
That’s a huge range. Even if I knew the correct flow rate for one of those heads, the Iro doesn’t know if I have 1 or 5 of them running simultaneously in one zone. It also doesn’t know if I’m using one head to water 100 sq ft in at 30 degree arc, thus the head is going back and forth across the zone quickly and throwing down more water per sq ft per minute, vs one head doing a 270 degree arc on a 1000 sq ft zone and taking a long time to get across it, thus, not throwing down as much water per sq ft per minute.
I’m just confused how watering times can be calculated without knowing these variables. Maybe I’m looking at this wrong.